1. BS EN 14534. Postal services. Quality of service. Measurement of the transit time of end-to-end services for bulk mail. (28th April 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (119 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Mail screening and security. Specification. (31st March 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (44 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Postal services. Quality of services. Measurement of the transit time of end-to-end services for single piece priority mail and first class mail. (23rd June 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (120 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗